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    1200W Ultrasonic Spot Welding Machine

    4.5 out of 5 based on 2 reviews | Write a review
    High quality and reasonable price ultrasonic spot welding machine with 220V voltage for sale online. Welding thickness up to 5 mm. Fast welding speed, energy saving, high fusion strength of this spot welding machine. Welding machine often used in home appliance, general merchandise and electronic product.
    SKU: ATO-USWM-1200
    30-day Returns
    Free Shipping
    Delivery date: 10-12 days

    An ultrasonic spot welding machine is a specialized device that utilizes high-frequency sound waves to join materials together. It is commonly used in manufacturing and assembly processes to bond thermoplastics and similar materials without the need for additional adhesives or fasteners.


    • Fast welding speed, energy saving, high fusion strength.
    • Stand-alone or built-in to automated welding equipment.
    • Intelligent frequency control, eliminating the inconvenience of manual frequency tuning.
    • The circuit automatically tracks the transducer frequency in real time, so that the signal frequency and the resonant frequency of the transducer remain the same and work for a long time.


    Model NC-3512E
    Output Power 1200W
    Frequency 35 KHz
    Input Voltage 220V (single phase)
    Weld Thickness 5 mm
    Output Time time control 0.01-9.99s
    Weld Mode time / spot weld mode
    Operating Mode push-button trigger
    Circuit System digital intelligent automatic frequency tracking
    Form of Power ultrasound
    Environmental Temperature 5 ℃-50 ℃
    Sinusoidal Harmonic Parameter ≥97%
    Input Power Factor ≥90%
    Mold Frequency Range ±400 Hz
    Automatic Frequency Range ±3 Hz

    Note: Please do not match your own transducer or horn! Arbitrary assembly without following the requirements may cause a serious decline in the efficiency of the whole machine and burn out the components.


    1200W ultrasonic spot welding machine structure


    Ultrasonic spot welding machine application

    Tips: What is the Welding Principle of Ultrasonic Spot Welding Machine?

    Ultrasonic processing of plastics made use of molecular heat effect that when the working interface is under high-pressure, high-frequency friction, there would be a rapid generation of heat. When this heat is enough to melt plastics on working interface, stop the ultrasonic vibration and maintain high pressure on the working interface, thus the workpiece joint surface is melted and welded as one, and the welding is complete.

    Ultrasonic welding is through the ultrasonic generator to convert the 50/60Hz current into 15, 20, 35 or 40 KHz high-frequency electrical energy output to the transducer piezoelectric ceramics so that the transducer produces mechanical vibration of the same frequency, and then the mechanical motion is transmitted to the welding head through a set of amplitude converter device that can change the amplitude. The welding head transmits the vibration energy received to the joint of the workpiece to be welded, where the vibration energy is converted into heat energy by friction to weld the product.

    Existing reviews of 1200W Ultrasonic Spot Welding Machine
    I ordered for my husband to practice with. I bought this welding machine for several weeks and it works decent. Nice
    From: Bonnie | Date: 30/10/2023
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    Improve work efficiency
    This unit has an intuitive, easy to use interface and is superbly engineered inside. Not only does it provide excellent welding performance but it also has superior durability and has run for long periods of time without fail. All in all, this 1200W ultrasonic spot welding machine has not only improved my work efficiency but has also provided me with great reliability and has been a great partner in my career.
    From: Brian Wright | Date: 26/09/2023
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